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SL74LS157 Fiches technique(PDF) 2 Page - System Logic Semiconductor |
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SL74LS157 Fiches technique(HTML) 2 Page - System Logic Semiconductor |
2 / 3 page SL74LS157 System Logic Semiconductor SLS MAXIMUM RATINGS * Symbol Parameter Value Unit VCC Supply Voltage 7.0 V VIN Input Voltage 7.0 V VOUT Output Voltage 5.5 V Tstg Storage Temperature Range -65 to +150 °C *Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions. RECOMMENDED OPERATING CONDITIONS Symbol Parameter Min Max Unit VCC Supply Voltage 4.75 5.25 V VIH High Level Input Voltage 2.0 V VIL Low Level Input Voltage 0.8 V IOH High Level Output Current -0.4 mA IOL Low Level Output Current 8.0 mA TA Ambient Temperature Range 0 +70 °C DC ELECTRICAL CHARACTERISTICS over full operating conditions Guaranteed Limit Symbol Parameter Test Conditions Min Max Unit VIK Input Clamp Voltage VCC = min, IIN = -18 mA -1.5 V VOH High Level Output Voltage VCC = min, IOH = -0.4 mA 2.7 V VOL Low Level Output Voltage VCC = min, IOL = 4 mA 0.4 V VCC = min, IOL = 8 mA 0.5 IIH High Level Input Current VCC = max for pins 1,15 40 µA VIN = 2.7 V A or B input 20 VCC = max for pins 1,15 0.2 mA VIN = 7.0 V A or B input 0.1 IIL Low Level Input Current VCC = max for pins 1,15 -0.8 mA VIN = 0.4 V A or B input -0.4 IO Output Short Circuit Current VCC = max, VO = 0 V (Note 1) -20 -100 mA ICC Supply Current VCC = max (Note 2) 16 mA Note 1: Not more than one output should be shorted at a time, and the duration should not exceed one second. Note 2: ICC is measured with all outputs open, and 4.5 V applied to all inputs. |
Numéro de pièce similaire - SL74LS157 |
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Description similaire - SL74LS157 |
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